DE60315268D1 - BATTERY MONITORING PROCESS AND DEVICE - Google Patents

BATTERY MONITORING PROCESS AND DEVICE

Info

Publication number
DE60315268D1
DE60315268D1 DE60315268T DE60315268T DE60315268D1 DE 60315268 D1 DE60315268 D1 DE 60315268D1 DE 60315268 T DE60315268 T DE 60315268T DE 60315268 T DE60315268 T DE 60315268T DE 60315268 D1 DE60315268 D1 DE 60315268D1
Authority
DE
Germany
Prior art keywords
event
battery
stored
volatile memory
data fields
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Fee Related
Application number
DE60315268T
Other languages
German (de)
Other versions
DE60315268T2 (en
Inventor
Nasser H Kutkut
David Brobst
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Power Designers LLC
Original Assignee
Power Designers LLC
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Power Designers LLC filed Critical Power Designers LLC
Application granted granted Critical
Publication of DE60315268D1 publication Critical patent/DE60315268D1/en
Publication of DE60315268T2 publication Critical patent/DE60315268T2/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R1/00—Details of instruments or arrangements of the types included in groups G01R5/00 - G01R13/00 and G01R31/00
    • G01R1/20—Modifications of basic electric elements for use in electric measuring instruments; Structural combinations of such elements with such instruments
    • G01R1/203—Resistors used for electric measuring, e.g. decade resistors standards, resistors for comparators, series resistors, shunts
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/382—Arrangements for monitoring battery or accumulator variables, e.g. SoC
    • G01R31/3828—Arrangements for monitoring battery or accumulator variables, e.g. SoC using current integration
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/3644—Constructional arrangements
    • G01R31/3648—Constructional arrangements comprising digital calculation means, e.g. for performing an algorithm
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01R—MEASURING ELECTRIC VARIABLES; MEASURING MAGNETIC VARIABLES
    • G01R31/00—Arrangements for testing electric properties; Arrangements for locating electric faults; Arrangements for electrical testing characterised by what is being tested not provided for elsewhere
    • G01R31/36—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC]
    • G01R31/374—Arrangements for testing, measuring or monitoring the electrical condition of accumulators or electric batteries, e.g. capacity or state of charge [SoC] with means for correcting the measurement for temperature or ageing

Abstract

Activity based battery monitoring is carried out with a minimal requirement for data memory capacity by determining events defined between changes in the battery states of charge, discharge and open circuit. Battery parameters are sampled at high sampling rates but only a relatively small number of memory data fields are stored in a non-volatile memory and updated after each event. In operation, battery current is monitored to determine a change in battery state. At the end of an event, at which time the battery changes state, a limited number of data fields, which nonetheless accurately categorizes the event, can be stored to the non-volatile memory, including the event type, the event start time, total ampere hours during the event, and various transient conditions during the event such as maximum voltage, current and temperature and minimum voltage, their times of occurrence, and any alarms that are triggered during the event.
DE60315268T 2002-02-15 2003-02-12 BATTERY MONITORING PROCESS AND DEVICE Expired - Fee Related DE60315268T2 (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US10/077,679 US6549014B1 (en) 2002-02-15 2002-02-15 Battery monitoring method and apparatus
US77679 2002-02-15
PCT/US2003/004174 WO2003071652A2 (en) 2002-02-15 2003-02-12 Battery monitoring method and apparatus

Publications (2)

Publication Number Publication Date
DE60315268D1 true DE60315268D1 (en) 2007-09-13
DE60315268T2 DE60315268T2 (en) 2008-04-17

Family

ID=22139459

Family Applications (1)

Application Number Title Priority Date Filing Date
DE60315268T Expired - Fee Related DE60315268T2 (en) 2002-02-15 2003-02-12 BATTERY MONITORING PROCESS AND DEVICE

Country Status (6)

Country Link
US (1) US6549014B1 (en)
EP (1) EP1485700B1 (en)
AT (1) ATE368868T1 (en)
AU (1) AU2003219742A1 (en)
DE (1) DE60315268T2 (en)
WO (1) WO2003071652A2 (en)

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Also Published As

Publication number Publication date
ATE368868T1 (en) 2007-08-15
US6549014B1 (en) 2003-04-15
WO2003071652A2 (en) 2003-08-28
DE60315268T2 (en) 2008-04-17
EP1485700B1 (en) 2007-08-01
EP1485700A4 (en) 2005-08-17
WO2003071652A3 (en) 2004-02-05
AU2003219742A8 (en) 2003-09-09
AU2003219742A1 (en) 2003-09-09
EP1485700A2 (en) 2004-12-15

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